1 /* Copyright (C) 1991-2022 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8 
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, see
16    <https://www.gnu.org/licenses/>.  */
17 
18 #include <string.h>
19 #include <time.h>
20 #include <sys/time.h>
21 
22 /* Get the current time of day, putting it into *TV.
23    If *TZ is not NULL, clear it.
24    Returns 0 on success, -1 on errors.  */
25 int
___gettimeofday(struct timeval * restrict tv,void * restrict tz)26 ___gettimeofday (struct timeval *restrict tv, void *restrict tz)
27 {
28   if (__glibc_unlikely (tz != 0))
29     memset (tz, 0, sizeof (struct timezone));
30 
31   struct timespec ts;
32   if (__clock_gettime (CLOCK_REALTIME, &ts))
33     return -1;
34 
35   TIMESPEC_TO_TIMEVAL (tv, &ts);
36   return 0;
37 }
38 /* Define to override default symbol version.  */
39 #ifndef SET_VERSION
40 strong_alias (___gettimeofday, __gettimeofday)
41 weak_alias (___gettimeofday, gettimeofday)
42 #endif
43